Finding the Fourth Proportional to 19,926,901.80, 29,890,352.70 and 19,926,901.80
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Solution
The fourth proportional to 19,926,901.80, 29,890,352.70 and 19,926,901.80 is: 29,890,352.70
Step by Step Solution
- Step 1: Write the proportion equation
19,926,901.80 : 29,890,352.70 = 19,926,901.80 : x - Step 2: Convert to fraction form
19,926,901.80/29,890,352.70 = 19,926,901.80/x - Step 3: Cross multiply
19,926,901.80x = 29,890,352.70 × 19,926,901.80 - Step 4: Simplify right side
19,926,901.80x = 595,622,123,020,264.88 - Step 5: Solve for x
x = 595,622,123,020,264.88/19,926,901.80 - Step 6: Final answer
x = 29,890,352.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.